they showed up at a jewelry store wearing goggles and respirators claiming to be fbi agents investigating a meth lab. later they pulled a gun and zip tied the employees. one guard them in the back room while others scooped up the goods and got away. >>> interior department calculated the cost of last year's government shutdown of national parks. that 16-day congressional standoff came to $414 million in lost visitor spending at the parks and surrounding communities. the national parks are economic engines. in 2012 generating $27 billion. supporting 243,000 jobs. >>> roads around the nation's capital are still treacherous this morning after a powerful storm kovrtd area with snow and ice. many schools will be delayed or closed for a second day. federal agencies shut down yesterday are opening two hours late this morning. and d.c. is bracing for another blast of bitter cold air with temperatures dipping into single digits. and that same storm turned into a traffic nightmare for drivers across texas. thousands of them stuck on slick highways. the biggest backup formed south of dallas, a line